Sgt. Samuel Van Handle (played by Tyler Christopher) is a protagonist in Sam's Circus.
Pvt. Mooch (played by Daniel Brocklebank) appears in Sam's Circus.
Cpl. John "Little Sarge" Rather (played by Kevin Connolly) appears in Sam's Circus.
Gunner (played by John Hawkes) appears in Sam's Circus.
Foster (played by Raffaello Degruttola) appears in Sam's Circus.
Chief (played by Michael Greyeyes) appears in Sam's Circus.
Pfc. "Wheels" Toland (played by Russell Sams) appears in Sam's Circus.
Bedpan (played by Richard Speight Jr.) appears in Sam's Circus.